Speaker



FIG. 1 is a front perspective view of a speaker showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a right side elevation view thereof.

The broken lines shown to be immediately adjacent to the shaded/contoured areas represent certain portions of the bounds of the claimed design while all other broken lines are directed to environmental features and are provided for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 